Number | Date | Country | Kind |
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8-207823 | Jul 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2127632 | Najarian et al. | Aug 1938 | |
2206117 | Osborn et al. | Mar 1940 | |
2920951 | Bretschneider et al. | Jan 1960 | |
4200454 | Maelzer et al. | Apr 1980 | |
4434001 | Edstrom et al. | Feb 1984 | |
4673431 | Bricmont | Jun 1987 | |
5004496 | Aune et al. | Apr 1991 | |
5364447 | Philipp et al. | Nov 1994 |
Number | Date | Country |
---|---|---|
52-131903 | Nov 1977 | JPX |
Entry |
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Lide, David R., ed. CRC Handbook of Chemistry and Physics 79th ed. 1998 p. 9-74. |